------------[ cut here ]------------ DEBUG_RWSEMS_WARN_ON(!is_rwsem_reader_owned(sem)): count = 0x1, magic = 0xffff888037ef11d8, owner = 0xffff888030878000, curr 0xffff888024f48000, list empty WARNING: CPU: 1 PID: 7411 at kernel/locking/rwsem.c:1341 __up_read+0x5f6/0x750 kernel/locking/rwsem.c:1341 Modules linked in: CPU: 1 UID: 0 PID: 7411 Comm: syz-executor.2 Not tainted 6.14.0-syzkaller-gf4d2ef48250a #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__up_read+0x5f6/0x750 kernel/locking/rwsem.c:1341 Code: 3c 02 00 0f 85 c0 00 00 00 49 8b 17 41 56 4c 89 e9 48 c7 c6 00 49 8d 8b 4c 8b 4c 24 10 48 c7 c7 a0 47 8d 8b e8 6b 60 e3 ff 90 <0f> 0b 90 90 59 e9 ff fa ff ff 48 c7 c7 90 82 86 90 48 89 04 24 e8 RSP: 0018:ffffc90007b37b38 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffffffff90868290 RCX: ffffffff817ad098 RDX: ffff888024f48000 RSI: ffffffff817ad0a5 RDI: 0000000000000001 RBP: ffff888037ef11e0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 1ffff92000f66f6b R13: ffff888037ef11d8 R14: ffffffff8b8d46e0 R15: ffff888037ef11d8 FS: 00007f1319fca6c0(0000) GS:ffff8880d6ab3000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1319fcad58 CR3: 000000002b026000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_unlock_shared include/linux/fs.h:882 [inline] lookup_slow fs/namei.c:1825 [inline] walk_component+0x35e/0x5b0 fs/namei.c:2128 lookup_last fs/namei.c:2626 [inline] path_lookupat+0x17e/0x780 fs/namei.c:2650 filename_lookup+0x224/0x5f0 fs/namei.c:2679 user_path_at+0x3a/0x60 fs/namei.c:3085 __do_sys_chdir fs/open.c:557 [inline] __se_sys_chdir fs/open.c:551 [inline] __x64_sys_chdir+0xbe/0x270 fs/open.c:551 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f131927dda9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1319fca0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000050 RAX: ffffffffffffffda RBX: 00007f13193ac050 RCX: 00007f131927dda9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000380 RBP: 00007f13192ca47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f13193ac050 R15: 00007ffd7a88ff18